From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id BC584C49ED7 for ; Thu, 19 Sep 2019 09:06:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 9B74D21924 for ; Thu, 19 Sep 2019 09:06:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388502AbfISJGv (ORCPT ); Thu, 19 Sep 2019 05:06:51 -0400 Received: from eu-smtp-delivery-151.mimecast.com ([207.82.80.151]:20327 "EHLO eu-smtp-delivery-151.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2388194AbfISJGv (ORCPT ); Thu, 19 Sep 2019 05:06:51 -0400 Received: from AcuMS.aculab.com (156.67.243.126 [156.67.243.126]) (Using TLS) by relay.mimecast.com with ESMTP id uk-mta-14-DMNrQgy8M0icP929vxXc6Q-1; Thu, 19 Sep 2019 10:06:48 +0100 Received: from AcuMS.Aculab.com (fd9f:af1c:a25b:0:43c:695e:880f:8750) by AcuMS.aculab.com (fd9f:af1c:a25b:0:43c:695e:880f:8750) with Microsoft SMTP Server (TLS) id 15.0.1347.2; Thu, 19 Sep 2019 10:06:47 +0100 Received: from AcuMS.Aculab.com ([fe80::43c:695e:880f:8750]) by AcuMS.aculab.com ([fe80::43c:695e:880f:8750%12]) with mapi id 15.00.1347.000; Thu, 19 Sep 2019 10:06:47 +0100 From: David Laight To: 'Tim Chen' , Parth Shah , "linux-kernel@vger.kernel.org" , Peter Zijlstra , Patrick Bellasi , "subhra mazumdar" , Valentin Schneider CC: "mingo@redhat.com" , "morten.rasmussen@arm.com" , "dietmar.eggemann@arm.com" , "pjt@google.com" , "vincent.guittot@linaro.org" , "quentin.perret@arm.com" , "dhaval.giani@oracle.com" , "daniel.lezcano@linaro.org" , "tj@kernel.org" , "rafael.j.wysocki@intel.com" , "qais.yousef@arm.com" Subject: RE: Usecases for the per-task latency-nice attribute Thread-Topic: Usecases for the per-task latency-nice attribute Thread-Index: AQHVbkTSM6YLBttm/EC+XVA86Ey6ZKcytOww Date: Thu, 19 Sep 2019 09:06:47 +0000 Message-ID: <9e705d2d22d040f4a170839466b38f5b@AcuMS.aculab.com> References: <3e5c3f36-b806-5bcc-e666-14dc759a2d7b@linux.ibm.com> <426c0513-4354-e085-5a5d-8073ab035030@linux.intel.com> In-Reply-To: <426c0513-4354-e085-5a5d-8073ab035030@linux.intel.com> Accept-Language: en-GB, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.202.205.107] MIME-Version: 1.0 X-MC-Unique: DMNrQgy8M0icP929vxXc6Q-1 X-Mimecast-Spam-Score: 0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: base64 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org RnJvbTogVGltIENoZW4NCj4gU2VudDogMTggU2VwdGVtYmVyIDIwMTkgMTg6MTYNCi4uLg0KPiBT b21lIHVzZXJzIGFyZSBydW5uaW5nIG1hY2hpbmUgbGVhcm5pbmcgYmF0Y2ggdGFza3Mgd2l0aCBB Vlg1MTIsIGFuZCBoYXZlIG9ic2VydmVkDQo+IHRoYXQgdGhlc2UgdGFza3MgYWZmZWN0IHRoZSB0 YXNrcyBuZWVkaW5nIGEgZmFzdCByZXNwb25zZS4gIFRoZXkgaGF2ZSB0bw0KPiByZWx5IG9uIG1h bnVhbCBDUFUgYWZmaW5pdHkgdG8gc2VwYXJhdGUgdGhlc2UgdGFza3MuICBXaXRoIGFwcHJvcHJp YXRlDQo+IGxhdGVuY3kgaGludCBvbiB0YXNrLCB0aGUgc2NoZWR1bGVyIGNhbiBiZSB0YXVnaHQg dG8gc2VwYXJhdGUgdGhlbS4NCg0KV2lsbCAob3IgY2FuKSB0aGUgc2NoZWR1bGVyIHByZS1lbXB0 IGEgbG93IHByaW9yaXR5IHByb2Nlc3MgdGhhdCBpcyBzcGlubmluZw0KaW4gdXNlcnNwYWNlIGlu IG9yZGVyIHRvIGFsbG93IGEgaGlnaCBwcmlvcml0eSAob3IgbG93IGxhdGVuY3kpIHByb2Nlc3Mg cnVuDQpvbiB0aGF0IGNwdT8NCg0KTXkgc3VzcGljaW9uIGlzIHRoYXQgdGhlIHByb2Nlc3Mgc3dp dGNoIGNhbid0IGhhcHBlbiB1bnRpbCAoYXQgbGVhc3QpIHRoZQ0KbmV4dCBoYXJkd2FyZSBpbnRl cnJ1cHQgLSBhbmQgcG9zc2libHkgb25seSBhIHRpbWVyIHRpY2sgaW50byB0aGUgc2NoZWR1bGVy Lg0KDQoJRGF2aWQNCg0KLQ0KUmVnaXN0ZXJlZCBBZGRyZXNzIExha2VzaWRlLCBCcmFtbGV5IFJv YWQsIE1vdW50IEZhcm0sIE1pbHRvbiBLZXluZXMsIE1LMSAxUFQsIFVLDQpSZWdpc3RyYXRpb24g Tm86IDEzOTczODYgKFdhbGVzKQ0K